./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:32:58,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:32:59,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:32:59,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:32:59,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:32:59,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:32:59,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:32:59,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:32:59,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:32:59,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:32:59,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:32:59,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:32:59,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:32:59,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:32:59,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:32:59,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:32:59,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:32:59,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:32:59,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:32:59,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:32:59,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:32:59,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:32:59,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:32:59,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:32:59,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:32:59,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:32:59,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:32:59,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:32:59,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:32:59,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:32:59,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:32:59,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:32:59,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:32:59,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:32:59,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:32:59,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:32:59,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:32:59,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:32:59,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:32:59,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:32:59,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:32:59,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:32:59,157 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:32:59,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:32:59,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:32:59,159 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:32:59,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:32:59,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:32:59,160 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:32:59,161 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:32:59,161 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:32:59,161 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:32:59,162 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:32:59,162 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:32:59,163 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:32:59,163 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:32:59,163 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:32:59,163 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:32:59,164 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:32:59,164 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:32:59,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:32:59,165 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:32:59,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:32:59,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:32:59,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:32:59,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:32:59,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:32:59,166 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:32:59,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:32:59,167 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:32:59,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:32:59,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:32:59,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:32:59,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:32:59,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:32:59,169 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:32:59,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:32:59,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:32:59,171 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:32:59,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:32:59,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:32:59,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:32:59,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 [2022-11-26 00:32:59,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:32:59,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:32:59,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:32:59,501 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:32:59,501 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:32:59,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-11-26 00:33:02,560 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:33:03,047 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:33:03,047 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-11-26 00:33:03,088 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/data/f8991c34e/ee6ec2b18bc54eb6b4c1465fe7ba993b/FLAG9948205da [2022-11-26 00:33:03,110 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/data/f8991c34e/ee6ec2b18bc54eb6b4c1465fe7ba993b [2022-11-26 00:33:03,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:33:03,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:33:03,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:33:03,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:33:03,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:33:03,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:33:03" (1/1) ... [2022-11-26 00:33:03,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33cd7810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:03, skipping insertion in model container [2022-11-26 00:33:03,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:33:03" (1/1) ... [2022-11-26 00:33:03,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:33:03,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:33:04,454 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-11-26 00:33:04,462 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:33:04,468 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:33:04,471 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 00:33:04,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d580575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:04, skipping insertion in model container [2022-11-26 00:33:04,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:33:04,472 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:33:04,474 INFO L158 Benchmark]: Toolchain (without parser) took 1358.64ms. Allocated memory is still 188.7MB. Free memory was 150.8MB in the beginning and 124.9MB in the end (delta: 25.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 00:33:04,475 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:33:04,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1354.08ms. Allocated memory is still 188.7MB. Free memory was 150.0MB in the beginning and 124.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-26 00:33:04,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1354.08ms. Allocated memory is still 188.7MB. Free memory was 150.0MB in the beginning and 124.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:33:06,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:33:06,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:33:06,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:33:06,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:33:06,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:33:06,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:33:06,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:33:06,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:33:06,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:33:06,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:33:06,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:33:06,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:33:06,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:33:06,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:33:06,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:33:06,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:33:06,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:33:06,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:33:06,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:33:06,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:33:06,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:33:06,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:33:06,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:33:06,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:33:06,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:33:06,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:33:06,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:33:06,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:33:06,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:33:06,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:33:06,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:33:06,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:33:06,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:33:06,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:33:06,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:33:06,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:33:06,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:33:06,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:33:06,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:33:06,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:33:06,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 00:33:06,875 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:33:06,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:33:06,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:33:06,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:33:06,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:33:06,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:33:06,878 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:33:06,878 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:33:06,879 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:33:06,879 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:33:06,880 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:33:06,880 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:33:06,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:33:06,881 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:33:06,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:33:06,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:33:06,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:33:06,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:33:06,882 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:33:06,882 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:33:06,882 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:33:06,883 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:33:06,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:33:06,883 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:33:06,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:33:06,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:33:06,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:33:06,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:33:06,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:33:06,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:33:06,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:33:06,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:33:06,885 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:33:06,885 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:33:06,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:33:06,886 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:33:06,886 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:33:06,886 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 [2022-11-26 00:33:07,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:33:07,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:33:07,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:33:07,348 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:33:07,350 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:33:07,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-11-26 00:33:10,379 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:33:10,798 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:33:10,798 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-11-26 00:33:10,833 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/data/c731f508a/94670d461df6486fba0937a2d739ba07/FLAGbd8bafa4a [2022-11-26 00:33:10,856 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1112e30c-0585-4b0e-863c-177e94780405/bin/utaipan-ByfvJB40ur/data/c731f508a/94670d461df6486fba0937a2d739ba07 [2022-11-26 00:33:10,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:33:10,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:33:10,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:33:10,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:33:10,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:33:10,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:33:10" (1/1) ... [2022-11-26 00:33:10,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@664e3722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:10, skipping insertion in model container [2022-11-26 00:33:10,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:33:10" (1/1) ... [2022-11-26 00:33:10,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:33:10,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:33:12,483 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-11-26 00:33:12,506 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:33:12,507 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:33:12,514 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 00:33:12,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c735991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:12, skipping insertion in model container [2022-11-26 00:33:12,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:33:12,516 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:33:12,518 INFO L158 Benchmark]: Toolchain (without parser) took 1654.25ms. Allocated memory is still 79.7MB. Free memory was 54.2MB in the beginning and 46.1MB in the end (delta: 8.2MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-11-26 00:33:12,518 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 56.6MB. Free memory is still 35.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:33:12,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1649.99ms. Allocated memory is still 79.7MB. Free memory was 54.0MB in the beginning and 46.1MB in the end (delta: 8.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-11-26 00:33:12,520 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 56.6MB. Free memory is still 35.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1649.99ms. Allocated memory is still 79.7MB. Free memory was 54.0MB in the beginning and 46.1MB in the end (delta: 8.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN